Finding the Fourth Proportional to 213,308.02, 294,387.78 and 122,667.94

Step by Step Solution

1. Step 1: Write the proportion equation
   213,308.02 : 294,387.78 = 122,667.94 : x
2. Step 2: Convert to fraction form
   213,308.02/294,387.78 = 122,667.94/x
3. Step 3: Cross multiply
   213,308.02x = 294,387.78 × 122,667.94
4. Step 4: Simplify right side
   213,308.02x = 36,111,942,533.77
5. Step 5: Solve for x
   x = 36,111,942,533.77/213,308.02
6. Step 6: Final answer
   x = 169,294.82